' 



GRASS FAMILY. 



58. BULBILIS Raf. Am. Month. Mag. 4: 190. 1819. 



[BUCHLOE Engelm. Trans. St. Louis Acad. i: 432. pi. /^ jj fi 

 A perennial stoloniferous monoecious or apparently dioecious grass with flat leave* and 

 spicate inflorescence. Staminate spikelets borne in two rows on one side of the rachu 

 spikes at the summit of the long and exserted culms. Pistillate tpikelets in tpike-Uki 

 clusters of 2 or 3, on very short culms, scarcely exserted from the sheath Stamens t. 

 Styles distinct, long. Stigmas elongated, short-plumose. Grain ovate, free, enclosed in the 

 scale. [Name apparently from the supposed bulb-like base of old plants.] 

 A monotypic genus of central North America. 



Bulbilis dactyloides (Nutt.) Raf. 

 Buffalo Grass. (Fig. 418.) 



Sesleria daclyloides Nutt. Gen. i: 65. 1818. 

 Knchlo'e ' dai - trio ides Engelm. Trans. St. Louis Acad. 



1:432. i $59. 



tlbilis dactyloides Raf . ; Kuntze, Rev. Gen. PI. 763. 



1891. 



Culms bearing staminate flowers 4'-i2' tall, 



:ct, slender, naked above, smooth and gla- 

 us; those bearing pistillate flowers YI'-J,' 



ng, much exceeded by the leaves; ligule a 

 ring of short hairs; leaves \" wide or less, more 

 or less papillose-hirsute, those of the staminate 

 culms i '-4' long, erect, those of the stolons and 

 pistillate culms i' long or less, spreading; stam- 

 inate spikes 2 or 3, approximate; spikelets -2"- 

 * l /t' f long, flattened, 2-3-flowered, the empty 

 scales i-nerved, the flowering 3-nerved; pistil- 

 late spikelets ovoid, the outer scales indurated. 



On plains and prairies, Minnesota to Dakota, 

 south to Arkansas, Texas and Mexico. A valuable 

 fodder grass. June-July. 



59. MUNROA Torr. Pac. R. R. Rept. 4: 158. 1856. 



A low diffusely branched grass, with flat pungently pointed leaves crowded at the node* 

 and the ends of the branches. Spikelets in clusters of 3-6, nearly sessile in the a*ib of the 

 floral leaves, 2-5-fl<jwered, the flowers perfect. Two lower scales empty, lanceolate, acute, 

 i-nerved, hyaline; flowering scales larger, 3-nerved; i or 2 empty scales sometime* present 

 above the flowering ones; palet hyaline. Stamens 3. Styles distinct, elongated. Stigma* 

 barbellate or short-plumose. Grain free, enclosed in the scale and palet [In honor of 

 Gen. William Munro, English agrostologist. ] 



Three known species, the following of the plains of North America, the others South American. 



i. Munroa squarrdsa iNutt.) Tonr. 

 MunroV :>j. 419.) 



Crypsis squarromi Nutt. (U-n i -, 



M'unroa stfuarnua Torr. Pac. R. R. RepC 4: 138. 



1856. 



Culms 2 / -8 / long, tufted, erect, decumbent or 

 prostrate, much branched, smooth or rough. 

 Sheaths short, crowded at the node* and end* 

 of the branches, smooth, pilose at the base and 

 throat, sometimes ciliate on the margins; lignle 

 a ring of hairs; leaves i' long or less, ' 

 wide, rigid, spreading, scabrous, pun* 

 pointed; spikelets 2-5-flowercd, the flowers per- 

 fect; empty scales i -nerved, shorter than the 

 flowering scales which are about ." . " long. 3- 

 toothed, the nerves excurrent as short points 

 or awns, tufts of hairs near the middle; paJet* 

 obtuse. 



On dry plains. South Dakota to Alberta, sovth to 

 Nebraska, Texas and Ari/.ona. An*. -Oct. 



